Enabling Rmon; Viewing Rmon Data - Cisco WS-C2948G-GE-TX Configuration Manual

Enabling RMON

The embedded RMON agent allows the switch to monitor network traffic from all ports simultaneously
at the data-link layer of the OSI model without requiring a dedicated monitoring probe or network
analyzer.
Enabling RMON
Note RMON is disabled by default.
To enable RMON, perform this procedure in privileged mode:
Task
Step 1
Enable RMON.
Step 2 Verify that RMON is enabled.
This example shows how to enable RMON and how to verify that RMON is enabled:
Console> (enable) set snmp rmon enable
SNMP RMON support enabled.
Console> (enable) show snmp
RMON:
Extended RMON:
Traps Enabled:
Port,Module,Chassis,Bridge,Repeater,Vtp,Auth,ippermit,Vmps,config,entity,stpx
Port Traps Enabled: 1/1-2,4/1-48,5/1
Community-Access
----------------
read-only
read-write
read-write-all
Trap-Rec-Address
----------------------------------------
172.16.10.10
172.16.10.20
Console> (enable)

Viewing RMON Data

Access to RMON data is available only on a network management system (NMS) that supports
RFC 1757 and RFC 1513 (see the
RMON data through the switch CLI; however, CLI show commands provide similar information (refer
to the Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches
Command Reference).
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide—Release 8.2GLX
25-2
Enabled
Extended RMON module is not present
Community-String
--------------------
Everyone
Administrators
Root
Trap-Rec-Community
--------------------
read-write
read-write-all
"Using CiscoWorks2000" section on page
Chapter 25
Command
set snmp rmon enable
show snmp
24-17). You cannot access
Configuring RMON
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